These points are also on the negative side of the x axis, at -pi/4 and -pi/2. When we move along the x axis, notice what happens to the y value. On the left side of zero, tangent is negative. At x=-pi/4, tangent=-1.
The Independent Online. David Cameron may have called a referendum on the EU to blackmail Europe, according to Vladimir Putin. The Russian president also questioned Mr Cameronâs decision to call the vote, as it has caused a âgreat problemâ.
Indeed, Article 81, Section 3 of the Russian constitution clearly states that: âOne person may not hold the position of Russian president for more than two terms in a row.â By any canon of textual interpretation, this provision limits an individual from three or more consecutive terms and nothing more.